David Letterman over the years

By By Cinde Ramirez, mySA.com

on January 5, 2013 3:06 PM

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Talk show host David Letterman appears in a rare and candid interview, talking to Oprah Winfrey, at 9/8c Sunday, Jan. 6, 2013, on the Oprah Winfrey Network, at his alma mater, Ball State University. Here's a look at Letterman over the years:

Talk show host David Letterman appears in a rare and candid interview, talking to Oprah Winfrey, at 9/8c Sunday, Jan. 6, 2013, on the Oprah Winfrey Network, at his alma mater, Ball State University. Here's a

1982: Comedian and late-night talk show host David Letterman poses in his dressing room with girlfriend Merrill Markoe during a photo portrait session in New York City, New York. Markoe was also a writer for the 'Late Night With David Letterman.' Getty Images

1982: Comedian and late-night talk show host David Letterman poses in his dressing room with girlfriend Merrill Markoe during a photo portrait session in New York City, New York. Markoe was also a writer for

1983: Host David Letterman poses for a portrait in Los Angeles,... Photo-3987556.54723 - Times Union

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1985: American comedian and talk show host David Letterman smokes a cigar and smiles while holding his trophy for Outstanding Writing - Variety or Music Program at the 37th Annual Emmy Awards. Getty Images

1985: American comedian and talk show host David Letterman smokes a cigar and smiles while holding his trophy for Outstanding Writing - Variety or Music Program at the 37th Annual Emmy Awards. Getty Images

1985: American comedian and talk show host David Letterman smokes... Photo-3987517.54723 - Times Union

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1986: David Letterman sits at his desk on the television series 'Late Night with David Letterman,' New York, New York. Getty Images

1986: David Letterman sits at his desk on the television series 'Late Night with David Letterman,' New York, New York. Getty Images

1986: David Letterman sits at his desk on the television series... Photo-3987593.54723 - Times Union

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1985: David Letterman, wearing a baseball cap from the television series, 'Miami Vice,' biting a cigar. Getty Images

1985: David Letterman, wearing a baseball cap from the television series, 'Miami Vice,' biting a cigar. Getty Images

1985: David Letterman, wearing a baseball cap from the television... Photo-3987521.54723 - Times Union